Drucker, P. F. (1986). The frontiers of management: Where tomorrow's decisions are being shaped today. Truman Talley Books/Plume.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Drucker, Peter F. The Frontiers of Management: Where Tomorrow's Decisions Are Being Shaped Today. New York: Truman Talley Books/Plume, 1986.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Drucker, Peter F. The Frontiers of Management: Where Tomorrow's Decisions Are Being Shaped Today. Truman Talley Books/Plume, 1986.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.